Granted Patent
Utility
US 5,259,511 · App. 07/767,247
Sliding conduit connector for screening machine
Inventor:
Bruce A. Pierson
Patented Case
View Patent ↗
Granted: Nov 9, 1993
Filed: Sep 27, 1991
Inventor
Bruce A. Pierson
Assignee (at issue)
ROTEX, INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.